We signed the climate declaration - now what? Lessons from counting carbon

John Orr, Orlando Gibbons and Will Arnold preview a forthcoming new guide from the Institution on calculating embodied carbon.

James Norman, Tim Ibell and Oliver Broadbent examine the challenges engineers will face in persuading clients to repurpose existing buildings in place of building new ones.

Philip Isaac and Jonny Hawkshaw review the potential for materials with lower embodied carbon to be used more widely in both small-scale domestic projects and larger-scale residential and commercial projects.